OSHA-MASTER PLUMBERS EXAM
QUESTIONS AND ANSWERS
How often should vehicles being used at worksites be inspected? - Answer-Daily, at the
beginning of each shift
To prevent worker run-over accidents, which of the following should be used? - Answer-
Back up alarms, spotters for equipment, high visibility clothing
Employees who direct or signal crane movements must be: - Answer-Qualified by
testing
Employees working from articulating boom lifts must: - Answer-be tied off to the lift, be
trained to operate the lift, keep their feet on the floor of the lift
Which of the following is a sign of heat stress? - Answer-Irritability or confusion
Which of the following is a sign of cold stress? - Answer-Dilated pupils
What is a job hazard analysis - Answer-A technique that focuses on job tasks as a way
to identify and correct hazards
When considering controls that protect a worker from on-the-job hazards, which type of
control is the most important? - Answer-Engineering controls
Employees who work on scaffolds must be protected from falling if the level of the
scaffold is ______ feet above the level below it. - Answer-10
In a personal fall arrest system, lanyards and vertical lifelines must have a minimum
breaking strength of: - Answer-5,000 Pounds
Personal fall arrest systems, when stopping a fall, must be rigged so that no employee
can free fall more than ___ feet, nor contact any lower level. - Answer-6
When fall arrest equipment is used, employers must assure that: - Answer-a. Users
have calculated total fall distance.
b. All equipment is properly inspected before each use.
c. A rescue plan is in place to rescue a fallen employee.
d. All of the above
When is it necessary to use lockout/tagout procedures to prevent electrical injuries? -
Answer-When there is potential for an unexpected energization of equipment that could
cause injury to an employee
QUESTIONS AND ANSWERS
How often should vehicles being used at worksites be inspected? - Answer-Daily, at the
beginning of each shift
To prevent worker run-over accidents, which of the following should be used? - Answer-
Back up alarms, spotters for equipment, high visibility clothing
Employees who direct or signal crane movements must be: - Answer-Qualified by
testing
Employees working from articulating boom lifts must: - Answer-be tied off to the lift, be
trained to operate the lift, keep their feet on the floor of the lift
Which of the following is a sign of heat stress? - Answer-Irritability or confusion
Which of the following is a sign of cold stress? - Answer-Dilated pupils
What is a job hazard analysis - Answer-A technique that focuses on job tasks as a way
to identify and correct hazards
When considering controls that protect a worker from on-the-job hazards, which type of
control is the most important? - Answer-Engineering controls
Employees who work on scaffolds must be protected from falling if the level of the
scaffold is ______ feet above the level below it. - Answer-10
In a personal fall arrest system, lanyards and vertical lifelines must have a minimum
breaking strength of: - Answer-5,000 Pounds
Personal fall arrest systems, when stopping a fall, must be rigged so that no employee
can free fall more than ___ feet, nor contact any lower level. - Answer-6
When fall arrest equipment is used, employers must assure that: - Answer-a. Users
have calculated total fall distance.
b. All equipment is properly inspected before each use.
c. A rescue plan is in place to rescue a fallen employee.
d. All of the above
When is it necessary to use lockout/tagout procedures to prevent electrical injuries? -
Answer-When there is potential for an unexpected energization of equipment that could
cause injury to an employee
